Day old Italian bread, 1/2 inch slices
8 oz. sliced American cheese
4 eggs
1/2 c. mayonnaise
2 1/2 c. milk
1 tsp. dry mustard
1 sm. onion, finely chopped
Salt and pepper
6 oz. shredded cheddar cheese

Butter a 9 x 12 inch baking dish, line bottom with about 8 slices bread. Top each with slice of American cheese. Arrange the remaining bread over the cheese. Mix together next 6 ingredients then pour over bread slices. Top with cheddar cheese. Cover with plastic wrap and let set for at least 2 hours. Uncover and bake at 350 degrees for 1 hour or until knife inserted in center comes out clean. Cut into squares and serve. Makes 8 servings.